constrain
英
/kənˈstreɪn/
美
/kənˈstreɪn/
vt.
约束;限制;限定;强制;强迫;迫使
第三人称单数: constrains现在分词: constraining过去式: constrained过去分词: constrained
记忆技巧:con- 共同,一起 + -strain 拉紧
例句
Research has been constrained by a lack of funds.
研究工作因经费不足而受限制。
For some reason he felt constrained to lower his voice.
不知怎么的,他觉得自己必须得压低声音。
Changes in temperature occur slowly and are constrained within relatively tight bounds.
温度变化缓慢,而且局限在相对较小的范围内。